From 192c7b74eb439221c20203c603e5b3c5a9d98cc3 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <ian@well-typed.com>
Date: Tue, 14 May 2013 21:23:58 +0100
Subject: [PATCH] Define the right RTS config in the Windows dyn wrapper
 programs

This is particularly important as without it validate fails, as it
tries to pass RTS options to haddock, and with the default RTS config
those options aren't permitted.
---
 driver/utils/dynwrapper.c |  8 +++++---
 rules/build-prog.mk       | 17 +++++++++++++++++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/driver/utils/dynwrapper.c b/driver/utils/dynwrapper.c
index eead8bd0a0..a84b5aef03 100644
--- a/driver/utils/dynwrapper.c
+++ b/driver/utils/dynwrapper.c
@@ -4,6 +4,7 @@ Need to concatenate this file with something that defines:
 LPTSTR path_dirs[];
 LPTSTR progDll;
 LPTSTR rtsDll;
+int rtsOpts;
 */
 
 #include <stdarg.h>
@@ -161,7 +162,7 @@ int main(int argc, char *argv[]) {
     LPTSTR oldPath;
 
     StgClosure *main_p;
-    RtsConfig *rts_config_p;
+    RtsConfig rts_config;
     hs_main_t hs_main_p;
 
     // MSDN says: An environment variable has a maximum size limit of
@@ -189,9 +190,10 @@ int main(int argc, char *argv[]) {
     hRtsDll = GetNonNullModuleHandle(rtsDll);
 
     hs_main_p    = GetNonNullProcAddress(hRtsDll,  "hs_main");
-    rts_config_p = GetNonNullProcAddress(hRtsDll,  "defaultRtsConfig");
     main_p       = GetNonNullProcAddress(hProgDll, "ZCMain_main_closure");
+    rts_config.rts_opts_enabled = rtsOpts;
+    rts_config.rts_opts = NULL;
 
-    return hs_main_p(argc, argv, main_p, *rts_config_p);
+    return hs_main_p(argc, argv, main_p, rts_config);
 }
 
diff --git a/rules/build-prog.mk b/rules/build-prog.mk
index 9d1e5890be..d362d4299f 100644
--- a/rules/build-prog.mk
+++ b/rules/build-prog.mk
@@ -213,15 +213,32 @@ endif
 
 ifeq "$$($1_$2_PROG_NEEDS_C_WRAPPER)" "YES"
 
+$1_$2_RTS_OPTS_FLAG = $$(lastword $$(filter -rtsopts -rtsopts=all -rtsopts=some -rtsopts=none -no-rtsopts,$$($1_$2_$$($1_$2_PROGRAM_WAY)_ALL_HC_OPTS)))
+ifeq "$$($1_$2_RTS_OPTS_FLAG)" "-rtsopts"
+$1_$2_RTS_OPTS = RtsOptsAll
+else ifeq "$$($1_$2_RTS_OPTS_FLAG)" "-rtsopts=all"
+$1_$2_RTS_OPTS = RtsOptsAll
+else ifeq "$$($1_$2_RTS_OPTS_FLAG)" "-rtsopts=some"
+$1_$2_RTS_OPTS = RtsOptsSafeOnly
+else ifeq "$$($1_$2_RTS_OPTS_FLAG)" "-rtsopts=none"
+$1_$2_RTS_OPTS = RtsOptsNone
+else ifeq "$$($1_$2_RTS_OPTS_FLAG)" "-no-rtsopts"
+$1_$2_RTS_OPTS = RtsOptsNone
+else
+$1_$2_RTS_OPTS = RtsOptsSafeOnly
+endif
+
 $1/$2/build/tmp/$$($1_$2_PROG)-inplace-wrapper.c: driver/utils/dynwrapper.c | $$$$(dir $$$$@)/.
 	$$(call removeFiles,$$@)
 	echo '#include <Windows.h>' >> $$@
+	echo '#include "Rts.h"' >> $$@
 	echo 'LPTSTR path_dirs[] = {' >> $$@
 	$$(foreach d,$$($1_$2_DEP_LIB_REL_DIRS),$$(call make-command,echo '    TEXT("$$d")$$(comma)' >> $$@))
 	echo '    TEXT("$1/$2/build/tmp/"),' >> $$@
 	echo '    NULL};' >> $$@
 	echo 'LPTSTR progDll = TEXT("../../$1/$2/build/tmp/$$($1_$2_PROG).dll");' >> $$@
 	echo 'LPTSTR rtsDll = TEXT("$$($$(WINDOWS_DYN_PROG_RTS))");' >> $$@
+	echo 'int rtsOpts = $$($1_$2_RTS_OPTS);' >> $$@
 	cat driver/utils/dynwrapper.c >> $$@
 
 $1/$2/build/tmp/$$($1_$2_PROG) : $1/$2/build/tmp/$$($1_$2_PROG)-inplace-wrapper.c $1/$2/build/tmp/$$($1_$2_PROG).dll | $$$$(dir $$$$@)/.
-- 
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